If you go to a fine restaurant, jeweller, clothing store or car dealership then you will often meet this same behavior.
The fancy restaurant remark reminds me of the movie, "The Jerk."
You live here? Oh, it's nice. Did you decorate it?
Navin R. Johnson: Yeah, I got all this stuff from the old Cup 'o Pizza place before they tore it down.
Marie: Good pizza. [the two are eating pizza in a cup]
Navin R. Johnson: Oh, this is the best pizza in a cup ever. This guy is unbelievable. He ran the old Cup 'o Pizza guy out of business. People come from all over to eat this.
And:
Navin: "Marie, now just stay calm. Stay calm. Don't look down, don't look down! Look up! Just keep your eyes up and keep them that way, o.k.!
Waiter there are snails on her plate. Now get them out of here before she sees them! Look away, just look away, keep your eyes that way! You would think that in a fancy restaurant at these prices you could keep the snails off the food! There are so many snails there you can't even see the food! Now take those away and bring us those melted cheese sandwich appetizers you talked me out of!"
Waiter: "Oui monsieur."
Navin: "Can you believe this? First, they didn't have the bamboo umbrellas for the wine, and now snails on the food! Two boobs! That's what he takes us for!"